Balancing or measuring device
A balancing or measuring device includes a main body which is rotatable about an axis and includes an opening for accommodating a coupling shaft of a component to be balanced or measured, and having a centering element which can be axially displaced within the main body against a spring arrangement to center the component in the main body. In order to ensure maximum concentricity also in a balancing or measuring device having a small number of parts, the spring arrangement is designed to be integral with the centering element.
1. A balancing or measuring device comprising:
a main body rotatable about an axis having a receptacle opening configured for holding a coupling shaft of a component to be balanced or measured by the device;
a centering element arranged in the main body and having a rolling body cage;
a plurality of rolling bodies supported by the rolling body cage;
a plurality of holding elements arranged on an outer periphery of the rolling body cage; and
a spring arrangement constructed integrally with the centering element;
wherein the centering element is displaceable in an axial direction within the main body against the spring arrangement for centering the component in the main body.
2. The balancing or measuring device according to claim 1 , wherein the holding elements are flexible in a radial direction and project outward from the outer periphery of the rolling body cage in the radial direction.
3. The balancing or measuring device according to claim 2 , wherein the holding elements are formed as angled tabs.
4. The balancing or measuring device according to claim 1 , wherein the rolling body cage is positioned and mounted between a ring shoulder in the main body and a cover ring mounted on a top side of the main body.
5. The balancing or measuring device according to claim 1 , wherein the rolling body cage has a circular cross section or a polygonal cross section.
6. A balancing or measuring machine comprising the balancing and measuring device according to claim 1 .
7. The balancing or measuring device according to claim 1 , wherein the receptacle opening has a conical or a cylindrical shape configured for holding the coupling shaft.
8. The balancing or measuring device according to claim 1 , wherein the spring arrangement is formed by a lower part of the rolling body cage.
9. The balancing or measuring device according to claim 8 , wherein the lower part of the rolling body cage includes a plurality of cut-out slots.
10. The balancing or measuring device according to claim 9 , wherein the cut-out slots are formed as transverse slots or as spiral-shaped slots.
11. The balancing or measuring device according to claim 1 , wherein the rolling body cage comprises one or more successive rows of cut-out slots spaced apart in a circumferential direction.
12. The balancing or measuring device according to claim 1 , wherein the rolling bodies are formed as balls.
13. The balancing or measuring device according to claim 1 , wherein the rolling bodies are configured and arranged to be rotatable in an upper part of the rolling body cage.
14. A balancing or measuring device comprising:
a main body rotatable about an axis having a receptacle opening configured for holding a coupling shaft of a component to be balanced or measured by the device;
a centering element arranged in the main body and having a rolling body cage, the rolling body cage including one or more successive rows of cut-out slots spaced apart in a circumferential direction;
a plurality of rolling bodies supported by the rolling body cage;
a plurality of holding elements arranged on an outer periphery of the rolling body cage, the holding elements flexible in a radial direction and projecting outwardly from the outer periphery of the rolling body cage in the radial direction; and
a spring arrangement constructed integrally with the centering element;
wherein the centering element is displaceable in an axial direction within the main body against the spring arrangement for centering the component in the main body.
15. The balancing or measuring device according to claim 14 , wherein the rolling body cage is positioned and mounted between a ring shoulder in the main body and a cover ring mounted on a top side of the main body.
16. A balancing or measuring machine comprising the balancing and measuring device according to claim 14 .
17. The balancing or measuring device according to claim 14 , wherein the spring arrangement is formed by a lower part of the rolling body cage.
18. The balancing or measuring device according to claim 14 , wherein the rolling bodies are formed as balls and are configured and arranged to be rotatable in an upper part of the rolling body cage.